CVE-2013-0154: The get_page_type function in xen/arch/x86/mm.c in Xen 4.2, when debugging is enabled, allows local PV or H...

Security readout for executives and security teams

CVE-2013-0154 is a Xen hypervisor denial-of-service issue affecting Xen 4.2 debug builds. A privileged administrator inside a guest VM could trigger an assertion failure and crash the host hypervisor, potentially taking down multiple virtual machines on that host. Exposure appears limited to Xen 4.2 x86 deployments running debug-enabled hypervisor builds where PV or HVM guest administrators are not fully trusted. Production hosts using non-debug builds are less likely to be affected based on the source wording. Prioritize if the organization runs Xen 4.2 debug builds or hosts untrusted guest administrators. Otherwise, treat as a legacy virtualization hygiene issue and verify build posture during routine platform review. Mitigation focus: Identify Xen 4.2 hosts and confirm whether debug builds are deployed.; Avoid running debug-enabled Xen hypervisors in production environments.; Apply relevant Xen, SUSE, openSUSE, or Gentoo advisory updates where applicable..

Prepared

Jun 24, 2026, 12:04 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.